Send Data From PC to Robot

Technical Questions Robot Communication
1

Hello,

I do some Computer Vision on PC. Then, I want to send the location of the objects to the robot for picking up. Which communication protocol suits best to this use case?

2

You can use the socket communication.
After building the socket server on your pc, the command “socket_open” can be used on robot program as client.

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3

Check out this page which details all the ways you can communicate with your robot: Overview of client interfaces - 21744

To send a position, I advise you either :

  • Implement your own TCP socket protocol by creating a socket listener in your PC application and using socket_open() in your robot script
  • You can also use XML-RPC, which allows you to call from your robot a remote method implemented on your PC that returns the position. The advantage is that you get a position variable in your robot.
  • You can also use Primary Interface to ask to move your robot to a certain position by executing a movej via TCP

The articles on the UR website offer simple implementations in Python.

In addition, industrial libraries implement all these protocols and many others. Take a look at this one: UR+ | Communication & Toolkit Software Library for Universal Robots

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4

Where can I a Python sample for sending a move command to the robot over TCP socket?